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<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Object.defineproperty方法</title>
</head>

<body>
    <script>
        let person = {
            name: 'yykk',
            sex: '男',
            age: 18
        }

        Object.defineProperties
    </script>
</body>

</html>